| Solution | Length | |
|---|---|---|
| 3 letters | ||
| GRU | 3 | |
| 4 letters | ||
| abet | 4 | |
| 5 letters | ||
| arson | 5 | |
| wrong | 5 | |
| abets | 5 | |
| stalk | 5 | |
| 6 letters | ||
| shifty | 6 | |
| sinful | 6 | |
| rotten | 6 | |
| wicked | 6 | |
| tricky | 6 | |
| 7 letters | ||
| illegal | 7 | |
| triable | 7 | |
| 8 letters | ||
| criminal | 8 | |
| unlawful | 8 | |
| sinister | 8 | |
| slippery | 8 | |
| UNSAVORY | 8 | |
| wrongful | 8 | |
| 9 letters | ||
| unallowed | 9 | |
| unethical | 9 | |
| shameless | 9 | |
| 10 letters | ||
| VILLAINOUS | 10 | |
| SUSPICIOUS | 10 | |
| PUNISHABLE | 10 | |
| UNOFFICIAL | 10 | |
| 11 letters | ||
| UNWARRANTED | 11 | |
| underhanded | 11 | |
| 12 letters | ||
| unscrupulous | 12 | |
| UNPRINCIPLED | 12 | |
| unauthorized | 12 | |
| questionable | 12 | |
| 13 letters | ||
| UNWARRANTABLE | 13 | |
| 14 letters | ||
| unconscionable | 14 | |
| 15 letters | ||
| leagueofnations | 15 | |
| UNCONSCIENTIOUS | 15 | |
| 16 letters | ||
| unconstitutional | 16 | |